Aerial



July 10, 1928.

ca. 3. CONRAD AERIAL 2 Sheets-Sheet Filed Feb. 4, 1926 July 10, 1928.

Witvwoo 1.676.524 G. R..CONRAD AERIAL Filed Feb. 4, 1926 2 Sheets-Sheet 2 Patented July 10, 1928.

UNITED STATES enonen Ross CONRAD, or warsoit, MIssoUnI.

AERIAL.

Application filed February 4,1926". Serial No. 86,007.

which the aerial wires are disposed vertical- It is one object of the invention to provide a new and improved form of aerial which may readily be mounted at the eX- terior of and supported by a building, without the necessity of projecting the device quite a distance above such building. 7

A further aim is to provide novel means for placing the aerial wires under the desired tension and for'adjusting them out wardly or inwardly with .respect to the building, as occasion may demand.

A still further aim is to provide a unique construction for connecting insulators at the ends of the aerial wires, with arms which are instrumental in holding said wires in place.

Astill further aim is to provide exceptionally unique and efiicient means for anchoring the ends of the aerial Wires and in- Sula-ting them from adjacent parts.

With the foregoing and minor objects in view, the invention residesin the novel subject matter hereinafter described and claimed, the description being supplemented bythe accompanying drawings.

Figure liis a side elevation showing one form of construction. 1

Figure 2 is an upper end view.

Figure 3 is an enlarged detail vertical section on line 3-3 of Fig. 2.

Figure 4 is a vertical sectional view at right angles to Fig. 3 as indicated by line M of the latter, said Fig. i also disclosing by the line 3' 3, theplane on which Fig. 3 is out.

Figure 5 is a fragmentary sectional perspective view showing the manner of connecting the wiresupporting arms to the upper end of the central pole.

Figure 6 is a disassembled perspective view showing the construction of the adjustable spider with which the lower ends of the wires are connected. 1

Figure 7 is a horizontal sect-ion on line 7-7 of Fig. 1.

Figure 8 is a side elevation partly broken away, showing a different form of construction. i Figure 9 is an enlarged side elevation partly broken away and in section showing the wire-suspending. arms and the wire in sulator-s connected therewith.

Figure 10 is a top plan view of the featurcs of construction shown in Fig. 9.

Figure 11 is a horizontal section on line 1111 of Fig. 8.

The form of construction disclosed in Figs. 1 to 7 Will first be described, using numbers of reference. l2desi-gnates a vertical pole whose lower end isprovided with means for mounting it at one side of a building. In the present showing, upper and lower arms 13 are secured to" the lower portion of the pole and project horizontally therefrom, said arms being secured to a vertical bar 14 which may be secured to the building '15, by lag screws, bolts or the like 16. Pairs of arms 17 have their intermediate portions disposed atopp'osi-te sides of the pole 12, at the upper end of the latter and are secured to said poleby bolts or the like 18, the pole being by preference notched as at 19 (Fig. 5) to receive the central portions of the arms. Insulators 20 are interposed between the free endsof the arms 17 and are connected therewith by bolts 21, and hung from these insulators, are aerial wires 22 which are preferably of the braided ribbon type; The lower ends of the wires 22 are provided with insulators similar to the insulators 20 and said insulators are secured by bolts 23, between furcations 24 at the ends oft-he radially projecting arms of a spider 25. A vertically disposed, screwthreaded, adjusting device 26 is connected. with the center of the spider and extends downwardly therefrom, the lower end of said adjusting device being connected with a horizontal, screw-threaded adjusting device 27, the latter' being operatively connected with an appropriate bracket 28 which is secured to the building 15. The adjusting device 26 preferably comprises av vertical bolt having ahead 29 at its lower end, said bolt passing through an opening in the spider 25 and having nuts 30 contacting with the upper andlower sides of said spider. This construction permits downward pulling of the spider to placethe wires 22 under any desired amount of ten- SlOIl. j

In the present showing, the adjusting device 27 is in the form ofa screw threaded into the bracket 28 and having an eye 31 through which the bolt 26 passes rotatably,

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described.

said eye contacting with the upper side of the bolt head 29. This adjusting device 27 permits outward movement of the spider and the lower portions of the wires 22 to any required extent, for instance, to cause the innermost of said'wires to clear any projecting portion at the side of the building 15.

The insulating and wire-anchoring means at the upper and lower end of the wires 22, are identical and hence a description of one will suflice, reference being now had more particularly to Figs. 3 and "it which detail the construction in question, associated with two of the upper arms 17. The upper end of the wire 22 is provided with an enlargement 32 formed in any desired manner, for instance, by folding said wire upon itself. Disposed at opposite sides of this enlargement and the adjacent end portion of the wire and projecting laterally in opposite directions from the latter, are two insulating sheets 33 which are formed from tough, yet pliable material, such. as mica or some other material which is of a suiiicient degree of hardness to prevent injury thereof by contact with the wire. Contacting with the outer sides of the sheets 33, are two insulating bodies 34; which, like said sheet-s, may be cut from material of uniform thickness. The bodies 34 are formed of compressible material, such as felt, impregnated with tar, asphalt or some other bituminous substance. These bodies 34 are preferably larger than the sheets 33 and also have greater thickness. The bodies in question are interposed between and contact with the arms 17, and the bolts 21 pass through said arms, through the bodies 34, and through the insulating sheets 33, said bolts being disposed at opposite sides of and spaced from the wire 22, as shown in Fig. 3. By this arrangement, when the bolts are tightened, the arms 17 force the compressible bodies 34% inwardly toward each other, causing them to crowd inwardly around the edges of the sheets 34, until they come into contact with each other as indicated at 35 in Fig. 4. This inward movement of the bodies 34 causes the latter to inwardly force the sheets until the portions of said sheets which project laterally beyond the wire 22. come in contact with. each other Thus, the wire-engaging portions of these sheets are distorted. forming tight seats for the enlargement 32 and the contiguous portion of the wire, so that the latter is effectively connected to the insulater, the latter being in turn rigidly secured to the arms 17 A different form of construction is shown in Figs. 8 to 11, possessing some features however common to the construction already In these views, 36' designates a pole which may be anchored in the ground or in any other manner and may, if desired, be connected with a building or the like by a brace 37. Also, cleats or other desired means may be employed to reinforce the pole against springing.

Upper and lower pairs of arms 39 and 40 have their intermediate portions disposed at opposite sides of the pole 36 and secured thereto by bolts 4:1 and 4-2 respectively. Insulators 43 connected with the ends of the aerial wires it, have eyes 45 positioned be tween the free ends of the arms 39 and 40, and bolts 4L6 pass through the arms and eyes,

thus effectively anchoring the insulators and also securing the free ends of the arms together in such a manner that said arms will be held under tension which assists in securely holding them in proper relation with the pole 36.

In either form of the invention, the leadin wire a? is preferably soldered to all of the aerial wires, so that the combined action of all of the latter is utilized.

Excel lent results are obtainable from either form of construction herein disclosed, and it is to be understood that variations may be made within the scope of the invention as claimed.

I claim I 1. An aerial comprising a pole having laterally projecting means at its lower end for securing it to avertical side of a building, wire supporting means projecting from the upper end of said pole, wire anchoring means spaced below said pole and having an attaching portion for attachment to the building, and aerial wires depending from said supporting means and connected with said anchoring means.

2. An aerial comprising wirersupporting means for connection with a building, vertical' wires hung from said supporting means, a spider having arms to which the lower ends of said wires are secured, means for anchoring said spider to the building and adjusting it with respect to said supporting means and means for laterally adjusting said anchoring means and spider with respect tothe buildin g whereby the wires are brought to perpendicular positions from said supporting means and parallel to the building.

3. An aerial comprising w1re-supporting means for connection with a building. vertical wires hung from said supporting means, a spider having arms to whiehlthe lower ends of said wires are secured, a vertically disposed screw-threaded adjusting device operatively connected with said spider,ahorizontal screw-threaded adjusting device to which the lower end of said first-named device is connected, and a bracket with which said horizontal adjusting device is connected, said bracket being adapted for anchorage to and lateral projection from one side of a building. v

4.. An aerial comprising a pole, a pair of cross arms whose intermediate portions are secured against opposite sides of said pole, insulators having portions disposed between the ends of said arms, bolts passing through said arms and said insulator portions, and aerial wires hung from said insulators.

In a means for anchoring an aerial wire having an enlargement at the end to be anchored; two normally flat relatively hard insulating sheets disposed at opposite sides of the wire end and its enlargement and both extending laterally in opposite directions from the wire, two normally flat and relatively thick insulating bodies of compressible material contacting with the outer sides of said insulating sheets, two members having flat sides contacting with the outer sides of said compressible bodies, and bolts passing through said sheets, said bodies and said members at opposite sides of the wire; tightening of said bolts causing inward forcing of said compressible bodies and sheets until the portions of the latter projecting from the wire contact with each other, thereby causing the wire and its enlargement to form for themselves a receiving seat in said sheets.

6. An aerial comprising a vertical pole, supporting arms projecting laterally from the pole and adapted to be secured toa building, pairs of cross arms havingtheir intermediate portions disposed at opposite sides of the upper end of the pole and secured thereto, insulating elements clamped between the free ends of said arms, a spider having right angularly projecting arms bifurcated at their outer ends, insulating elements clamped in said bifurcated arms, vertically and horizontally adjustable means for securingsaid spider to a building and vertical aerial wires having their upper and lower ends clamped respectively between said insulating elements in the ends of said supporting arms and the arms of said spider.

In testimony whereof I have hereunto atfixed my signature.

GEORGE ROSS CONRAD. 

